Portable spittoon



FIG. 1 is a front view of a portable spittoon showing our new design; the rear view is a mirror image thereof;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a portable spittoon, as shown and described. 